Red pencilfish tank size: what is the minimum?

A tank with a footprint of at least 90 × 30 cm.

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Red pencilfish

Nannostomus mortenthaleri

The Red pencilfish (Nannostomus mortenthaleri) is a tropical freshwater fish of the family Lebiasinidae. It swims in midwater, close to the bottom. It grows to 2.9 cm (standard length, tail fin excluded). The IUCN Red List rates it Critically Endangered. In the aquarium it is kept at 24–28 °C.

Size: 2.9 cmstandard length, tail fin excluded
Temperature: 24–28 °C
pH: 4.0–7.0
Tank footprint: 90 × 30 cm

In the aquarium

Temperature24–28 °C

pH4.0–7.0

Hardness1–5 °dGH

In the wild

Water type: Freshwater
Climate zone: Tropical
Habitat: Midwater, close to the bottom

Conservation status

Classification

OrderCharaciformes
FamilyLebiasinidae
GenusNannostomus
SpeciesNannostomus mortenthaleri

Quick answers

Red pencilfish size: how big does it get?: It grows to 2.9 cm (standard length, tail fin excluded).
Red pencilfish tank size: what is the minimum?: A tank with a footprint of at least 90 × 30 cm.
Red pencilfish water parameters: what does it need?: Temperature 24–28 °C, pH 4.0–7.0, hardness 1–5 °dGH.
Red pencilfish: is it endangered?: The IUCN Red List rates it Critically Endangered.